Sex-linked dwarf (SLD) chickens have been widely used in crossbreeding of broilers and laying hens.
2
The high possibility of crossbreeding of wild plants with transgenic plants to produce superweeds resistant to herbicides.
3
The native stock has been greatly improved in recent years by crossbreeding with thoroughbred Durham and Hereford bulls.
4
By crossbreeding the quality of range cattle has steadily improved until the scrub element has been almost bred out.
5
Beaton was a regular contributor to the "Cottage Gardener," and wrote various articles on crossbreeding, etc., in 1861.
6
God has fixed a barrier against the mixture or confusion of species by crossbreeding, by ordaining the sterility of hybrids.
7
This adds to our understanding of embryo abortion and will aid in the crossbreeding of chrysanthemum and other crops in the future.
8
Embryo abortion is the main cause of failure in chrysanthemum crossbreeding, and the genes and proteins associated with embryo abortion are poorly understood.